Bip39 Checksum. Is passphrase the same as PIN? No, a passphrase is not really the same as a PIN. A passphrase, during the context of Bitcoin wallets, is an extra layer of security to your wallet that actually works alongside your seed phrase to encrypt and guard your wallet. A https://thejillist.com/story9046297/bip39-https-linktr-ee-bip39-bip39-generator-an-overview